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S44800 Stainless Steel vs. S17700 Stainless Steel

Both S44800 stainless steel and S17700 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
1.0 to 23
Fatigue Strength, MPa 300
290 to 560
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 18
41 to 46
Shear Modulus, GPa 82
76
Shear Strength, MPa 370
740 to 940
Tensile Strength: Ultimate (UTS), MPa 590
1180 to 1650
Tensile Strength: Yield (Proof), MPa 450
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
890
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 42
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 480
460 to 3750
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
42 to 59
Strength to Weight: Bending, points 20
32 to 40
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 19
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.010
0 to 0.090
Chromium (Cr), % 28 to 30
16 to 18
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
70.5 to 76.8
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
6.5 to 7.8
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030